Front portions of a push button lock having a rotatable operating knob



FIG. 1 is a perspective view showing front, left and bottom features of a first embodiment of our design;

FIG. 2 is a perspective view showing front, right and top features thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof, it being understood that a left side elevational view would be a mirror image of the right side elevational view;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a perspective view showing front, left and bottom features of a second embodiment of our design;

FIG. 8 is a front elevational view thereof;

FIG. 9 is a perspective view showing front, left and bottom features of a third embodiment of our design;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a perspective view showing front, left and bottom features of a fourth embodiment of our design; and,

FIG. 12 is a front elevational view thereof.

Right side views of the second, third and fourth embodiments are not shown inasmuch as they are identical to and would merely repeat what is already depicted in the right side view of FIG. 4. Left side views of the second, third and fourth embodiments would be mirror image reversals of the right side view of FIG. 4.

Bottom plan views of the second, third and fourth embodiments are not shown inasmuch as they are identical to and would merely repeat what is already depicted in the bottom plan view of FIG. 5. Top plan views of the second, third and fourth embodiments are not shown inasmuch as they are identical to and would merely repeat what is already depicted in the top plan view of FIG. 6. 

We claim the ornamental design for front portions of a push button lock having a rotatable operating knob, as shown and described. 